<source>
  @type tail
  @id in_tail_etcd
  path /var/log/etcd.log
  pos_file "#{File.join('/var/log/', ENV.fetch('FLUENT_POS_EXTRA_DIR', ''), 'fluentd-etcd.log.pos')}"
  tag etcd
  <parse>
    @type none
  </parse>
</source>
